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From "Ashutosh Bapat (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-19430) ObjectStore.cleanNotificationEvents OutOfMemory on large number of pending events
Date Fri, 15 Feb 2019 16:01:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-19430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Bapat updated HIVE-19430:
----------------------------------
    Status: In Progress  (was: Patch Available)

> ObjectStore.cleanNotificationEvents OutOfMemory on large number of pending events
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-19430
>                 URL: https://issues.apache.org/jira/browse/HIVE-19430
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Thejas M Nair
>            Assignee: Ashutosh Bapat
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>         Attachments: HIVE-19430.01.patch, HIVE-19430.02.patch
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> If there are large number of events that haven't been cleaned up for some reason, then
ObjectStore.cleanNotificationEvents() can run out of memory while it loads all the events
to be deleted.
> It should fetch events in batches.



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